gadgets.pdablast.com: "The Virtual Laser Keyboard leverages the power of laser and infrared technology and projects a full-size keyboard onto any flat surface. Compatible with Palm handhelds, Pocket PCs and Laptop PCs. As you type on the laser projection; it analyzes what you're typing by the coordinates of that location.
Unlike many small snap-on keyboards for PDAs, the Virtual Laser Keyboard provides a full-size QWERTY keyboard. It is also smaller and more convenient to use than the folding-type keyboards made by some manufacturers and similar to them in functionality. "